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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * The contents of this file are subject to the terms of either the GNU
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://github.com/payara/Payara/blob/main/LICENSE.txt
 * See the License for the specific
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 * When distributing the software, include this License Header Notice in each
 * file and include the License file at legal/OPEN-SOURCE-LICENSE.txt.
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 * GPL Classpath Exception:
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 * file that accompanied this code.
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// Portions Copyright [2020] Payara Foundation and/or affiliates

package com.sun.enterprise.deployment;

import java.lang.reflect.InvocationTargetException;
import java.security.Permission;
import java.security.PermissionCollection;
import java.security.Permissions;

import org.glassfish.api.deployment.archive.ArchiveType;
import org.glassfish.deployment.common.RootDeploymentDescriptor;
import com.sun.enterprise.security.integration.PermissionCreator;

public class PermissionsDescriptor extends RootDeploymentDescriptor {

    private RootDeploymentDescriptor parent;
    
    private PermissionCollection declaredPerms;
    
    
    public PermissionsDescriptor() {
        
    }
    
    public RootDeploymentDescriptor getParent() {
        return parent;
    }

    public void setParent(RootDeploymentDescriptor parent) {
        this.parent = parent;
    }

    
    @Override
    public String getModuleID() {
        throw new RuntimeException();
    }

    @Override
    public String getDefaultSpecVersion() {
        return "7";
    }

    @Override
    public boolean isEmpty() {
        return declaredPerms != null &&
                declaredPerms.elements().hasMoreElements();
    }

    @Override
    public ArchiveType getModuleType() {
        throw new RuntimeException();
    }

    @Override
    public ClassLoader getClassLoader() {
        if (parent == null)
            return null;
        return parent.getClassLoader();
    }

    @Override
    public boolean isApplication() {

        return false;
    }

    
    public void addPermissionItemdescriptor(PermissionItemDescriptor permItem) {
        permItem.setParent(this);
        addPermission(permItem);
    }
    
    public PermissionCollection getDeclaredPermissions() {
        return declaredPerms;
    }
    
    private void addPermission(PermissionItemDescriptor permItem)  {
        if (permItem == null)
            return;
        
        String classname = permItem.getPermissionClassName();
        String target = permItem.getTargetName();
        String actions = permItem.getActions();
        
        try {
            Permission pm = PermissionCreator.getInstance(classname, target, actions);
            
            if (pm != null) {
                if(declaredPerms == null)
                    declaredPerms = new Permissions();
                this.declaredPerms.add(pm);
            }
        } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException | InvocationTargetException e) {
            throw new SecurityException(e);
        }
    }

}
